class_docstr: Test FASTALoader
code: def setUp(self):
      super(TestFASTALoader, self).setUp()
      self.current_dir = os.path.dirname(os.path.abspath(__file__))
  
file_path: deepchem/deepchem/data/tests/test_fasta_loader.py
imports: import os
  import unittest
  import deepchem
  from deepchem.feat.molecule_featurizers import OneHotFeaturizer
label_desc: Use image node_id 1 for calling the TestFASTALoader obj's underlying member method code with example usage: obj.setUp() without return types